:root{--bg:#e0f7ff;--surface:#ffffff;--surface2:#bae6fd;--border:rgba(14,165,233,0.18);--text:#0c1a2e;--muted:#0369a1;--accent:#0ea5e9;--radius:16px;--font-head:"Syne",sans-serif;--font-body:"DM Sans",sans-serif;--tc:#0ea5e9}.tool-page-body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh}.page-layout{display:flex;gap:0;align-items:flex-start}.tool-column{flex:1 1 0;min-width:0;padding:0 16px 60px;max-width:780px;margin:0 auto}.ad-sidebar{width:280px;flex-shrink:0}@media (max-width:1100px){.ad-sidebar{display:none}}.tool-nav{position:sticky;top:0;z-index:100;background:rgba(224,247,255,.95);backdrop-filter:blur(24px);border-bottom:1px solid var(--border);padding:14px 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